Amplifier



FIG. 1 is a front isometric view of an amplifier showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a back elevation view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines shown are included for the purpose of illustrating portions of the amplifier that form no part of the claim. 

CLAIM The ornamental design for an amplifier, as shown and described. 